<template>
  <div class="ratingselect">
    <div class="rating-type" border-1px>
      <span @click.stop.prevent="select(2,$event)" class="block positive" :class="{'active':dataSelectType===2}">{{desc.all}}
        <span class="count">{{ratings.length}}</span>
      </span>
      <span @click.stop.prevent="select(0,$event)" class="block positive" :class="{'active':dataSelectType===0}">{{desc.positive}}
        <span class="count">{{positives.length}}</span>
      </span>
      <span @click.stop.prevent="select(1,$event)" class="block negative" :class="{'active':dataSelectType===1}">{{desc.negative}}
        <span class="count">{{negatives.length}}</span>
      </span>
    </div>
    <div @click.stop.prevent="toggleContent" class="switch" :class="{'on':onlyContent}">
      <span class="icon-check_circle"></span>
      <span class="text">只看有内容的评价</span>
    </div>
  </div>
</template>
<script>
const POSITIVE = 0;   //满意
const NEGATIVE = 1;  //不满意
const ALL = 2;   //全部
export default {
  props: {
    ratings: {
      type: Array,
      default() {
        return [];
      }
    },    //选择类型3种
    selectType: {
      type: Number,
      default: ALL
    },
    //只看有内容的评价
    onlyContent: {
      type: Boolean,
      default: false
    },
    //描述传入3种情况
    desc: {
      type: Object,
      default() {
        return {
          all: '全部',
          positive: '满意',
          negative: '不满意'
        };
      }
    }
  },
  computed: {
    positives() {
      return this.ratings.filter((rating) => {
        return rating.rateType === POSITIVE;
      });
    },
    negatives() {
      return this.ratings.filter((rating) => {
        return rating.rateType === NEGATIVE;
      });
    }
  },
  data() {
    return { dataSelectType: this.selectType }
  },
  methods: {
    select(type, event) {
      if (!event._constructed) {
        return;
      }
      this.dataSelectType = type;
      this.$emit('selected', type);
    },
    toggleContent(event) {
      if (!event._constructed) {
        return;
      }
      this.onlyContent = !this.onlyContent;
      this.$emit('toggled', this.onlyContent);
    }
  }

};
</script>
<style lang="stylus" rel="stylesheet/stylus">
@import "../../common/stylus/mixin";
  .ratingselect
    .rating-type
      padding:18px 0
      margin:0 18px
      border-1px(rgba(7,17,27,0.1))
      font-size:0
      .block
        display:inline-block
        padding:8px 12px
        line-height:16px
        margin-right:8px
        border-radius:1px
        font-size:12px
        color:rgb(77,85,93)
        &.active
          color:#fff
        .count
          margin-left:2px
          font-size:8px
        &.positive
          background:rgba(0,160,220,0.2)
          &.active
            background:rgb(0,160,220)
        &.negative
          background:rgba(77,85,93,0.2)
          &.active
            background:rgb(77,85,93)
    .switch
      padding:12px 19px
      line-height:24px
      border-bottom:1px solid rgba(7,17,27,0.1)  
      color:rgb(147,153,159)
      font-size:0
      &.on
        .icon-check_circle
          color:#00c850
      .icon-check_circle
        display:inline-block
        vertical-align:top
        margin-right:4px
        font-size:24px
      .text
        display:inline-block
        vertical-align:top
        font-size:12px
</style>
